t-cells from University of PennsylvaniaA year ago, when chemotherapy stopped working against his leukemia and he had nothing to lose, William Ludwig signed up to be the first patient treated in a bold experiment at the University of Pennsylvania.

Doctors removed a billion of his T-cells — a type of white blood cell that fights viruses and tumors — and re-engineered them to attack his cancer. Then the altered cells were dripped back into Mr. Ludwig’s veins.

At first, his vital signs took a nose-dive and doctors thought he might die.

But, a few weeks later, “the fevers were gone. And so was the leukemia.”

(READ the amazing story in the New York Times)


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